Issue #7603 has been reported by authorNari (Narihiro Nakamura). ---------------------------------------- Bug #7603: app_factorial ??? so_ackermann ???????????ªã?? https://bugs.ruby-lang.org/issues/7603 Author: authorNari (Narihiro Nakamura) Status: Open Priority: Normal Assignee: ko1 (Koichi Sasada) Category: core Target version: 2.0.0 ruby -v: ruby 2.0.0dev (2012-12-22 trunk 38552) [x86_64-linux] r38478??®ã?³ã?????????????? bm_app_factorial.rb ??? bm_so_ackermann.rb ???????????ªã???ªã?£ã?¦ã????¾ã?£ã?¦ã????¾ã????? % ./ruby benchmark/bm_app_factorial.rb benchmark/bm_app_factorial.rb:2: stack level too deep (SystemStackError) % ./ruby benchmark/bm_so_ackermann.rb benchmark/bm_so_ackermann.rb:7: stack level too deep (SystemStackError) ?????³ã???????¼ã?¯ã?³ã?¼ã????®ã?»ã???????????????®ã?????????????ªã????§ã?????????????¡ã???????±å???????¦ã???????¾ã????? -- http://bugs.ruby-lang.org/